Unit6Grammar课件沪教版英语八年级下册

LearningbydoingUnit6GrammarBytheendofthislesson,studentswillbeableto:understandtheusageofshouldandhadbetterforgivingadviceandexpressingwhatisright.giveclearandappropriatesuggestionsusingthetargetmodalverbsinreal-lifesituations.Readthedialogueandpayattentiontothesuggestions.Wecanuseshould

tosaywhatisbestorrighttodo.shouldn’t=shouldnotWecanusehadbettertogivestrongadviceinaparticularsituation.Haveyoudesignedaposterbefore?Pleaseshareyourexperienceandsomehelpfuladvicewithus!Focuson基本用法shouldWatchthevideoandfillintheblanks.1.What_______we___tobehealthy?2.Youshould________.3.Fluffy______exercisemore.4.She______onthesofaallday.5.—______Igoandsee?—Yes,___________.6.Youshould_____here.You_________move.shoulddoexerciseshouldsleepShouldyoushouldstayshouldn'tWecanuseshould

tosaywhatisbestorrighttodo.Look

should的否定式为shouldnot.

shouldnot=shouldn'tLet’ssumuptherules!Weuseshouldwiththebaseformofaverb.shouldn't一、should的用法1.should在肯定句中可用来讨论义务和职责或提出建议，意为“应该”。2.should的否定式为shouldnot,意为“不应该”。Fluffyshouldexercisemore.Sheshouldnot

sleeponthesofaallday.3.should用于疑问句，表示征求意见或请求指示。—ShouldIgoandsee?—Yes,youshould./No,youshouldn’t.1.肯定句：___________________________2.否定句：______________________________主语+should+动词原形+其他.主语+shouldnot+动词原形+其他.3.一般疑问句：___________________________

肯定回答：_______________否定回答：_________________________Should+主语+动词原形+其他?Yes,主语+should.No,主语+shouldnot/shouldn't.二、should的常用句式Fluffyshouldexercisemore.Sheshouldnot

sleeponthesofaallday.—ShouldIgoandsee?—Yes,youshould./No,youshouldn’t.must的意思与should类似，但语气更强或更肯定，表示“必须”之意，常含有命令的性质；should和oughtto的语气则相对缓和些。should,oughtto&must你必须戒酒。(说话者可能是医生，强调命令执行的必须性)①Youmustgiveupdrinking.②Youreallyshould/oughttogiveupdrinking.你真的应该戒酒。(可能是来自亲友的劝告。)LookOughtto

issimilarinmeaningto

should.eg:YououghttoreadmoreEnglishbooks.Focuson基本用法hadbetterWatchthevideoandfillintheblanks.1.I_________cleanmyroom.2.You'dbetter___tothedoctor.3.He'dbetter____touchthat.4.We'dbetternot_______toschool.hadbettergonotbelateWecanusehadbettertogivestrongadviceinaparticularsituation.Let’ssumuptherules!•Weusehadbetterwiththebaseformofaverb.•Thenegativeformofhadbetterishadbetternot.hadbetter用来表示竭力劝告，或告诉人们

(包括自己)该做什么事，意为“做……是好的；最好还是”。hadbetter的用法通常用“hadbetternot”表示否定。1.Ihadbetterclean

myroom.2.You'dbettergo

tothedoctor.3.He'dbetter

nottouchthat.4.We'dbetternotbelatetoschool.Lookhadbetter=’dbetterhadbetternot=’dbetternot-ShallIwashmyclothesrightnow?-You'dbetter./You'dbetternot.-我现在可以洗衣服吗?-最好这样。/最好不要这样。hadbetter用于回答时，通常用简略式。Helpfultips:★hadbetter通常并不表示所提的建议比其他选择更好——这里没有比较的意思。★hadbetter用于谈论最近的将来，比should或oughtto在时间上更为紧急。如：Thereisonlyfiveminutesleft.Youhadbetterhurryup.只剩5分钟了，你还是快点吧。P901MsCheniswritingcommentsaboutherstudents.Helphercompletethecommentswithshouldorshouldnotandtheverbsbelow.1shouldnotreadshouldpronounceshouldtryshouldmakeshouldnotbeshoulddoshouldthink(1)TodayisFriday.ZhangXinhasn’tfinishedhisposteryet.ThedeadlineisnextMonday.ZhangXin’scousin:You___________________________thisweekend.(2)WangYaohasahighfever,andshelooksverypale.WangYao’smother:You__________________________thismorning.(3)LiJiewantstohavedinneratarestaurantthisevening.Therestaurantisalwaysbusy.LiJie’sfriend:You_____________________________beforeyougo.(4)Theskyisgettingdark.There’sgoingtobeathunderstorm.SuMeiwantstogooutforawalk.SuMei’sdad:You_________________________________________.(5)MrChenwaslateforworkagainbecauseoftheheavytraffic.MrChen’sboss:You_______________________________________.Readaboutthesituationsfirst.Thencompletethesentenceswithhadbetterorhadbetternot.2P902hadbetterfinishtheposterhadbetternotgotoschool/hadbetterstayathomehadbetterbookatablehadbetternotgooutnowhadbetterleavehomeearlytomorrowP903SuMeiisinterestedintakingpartinthespeechcompetitionduringEnglishWeek.Canyougivehersomesuggestions?Trytouseshould,shouldnot,hadbetter,hadbetternotinyoursuggestions.3Youshouldstartyourspeechwithaninterestingstory.单项选择。1.—Excuseme,butwe____waitinlinetogetonthesubway.—I’msorry.【武汉】 A.might B.would C.could D.should2.Earthquakecanbeverydangerous.We______learntoprotectourselves.【连云港】A.might B.should C.could D.would1.should意为“_____”，后面跟_________，否定式为__________，其缩略形式为_________，意为“不应该”。2.hadbetter意为“______________________”。hadbetter之后要用________。其缩略形式为________，通常用“hadbetternot+动词原形”来表示否定。

应该动词原形shouldnotshouldn't做……是好的；最好还是动词原形'dbetter1.IthinkWendyshould______(make)aplanbeforeshetravels.2.—Mary,youhadbetter_______(clean)yourroomatonce.Yourclassmateswillarrivesoon.

—Allright,Mum.3.Theengineersoughtto_____(work)togethertofinishtheprojectassoonaspossible.4.—Sir,youshould__________(notsmoke)here.

—Sorry,Iwon't.5.Laurasaid,"We'dbetter________(get)upbefore5:00am,orwecan'tseethesunrise."Ⅰ.用括号中所给单词的正确形式填空。makecleanworknotsmokeget6.Themanoughtn'tto________(throw)awayrubbishontheroad.7.IfyouwanttoimproveyourspokenEnglish,youshould________(practise)itmore.8.Ourgrandpadoesn'tfeelwellthesedays,sowehadbetter________(nottell)himthebadnews.9.Whenyouhaveatoothache,youhadbetter______(go)andseethedentist.10.Peopleoughtn'tto_______(speak)loudlyinpublic.throwpractisenottellgospeakⅡ.根据所给汉语提示，完成下列句子。每空一词。1.你应该每天晚饭后散步半个小时。

You_______________awalkforhalfanhourafterdinnereveryday.2.我们最好现在就离开，不然就赶不上最后一趟公交车了。

__________

_____now,orwe'llmissthelastbus.3.王叔叔不应该喝这么多酒。

UncleWang_____

__________drinksomuch.4.中学生应该做家务吗？

______middleschoolstudents___thehousework?5.你最好在交试卷前仔细检查一下。

You____________checkyourtestpapercarefullybeforehandingitin.shouldtake/haveWe'dbetterleaveought

not

toShould

dohad

better6.我们看到交通事故应该拨打122。

We_______________122whenweseeatrafficaccident.7.作为一个初学者，你不应该读这样一本英文小说。

Asabeginner,you____________suchanEnglishnovel.8.你生气时最好不要做决定。

Whenyouareangry,you____

_________

_____adecision.9.尼克最好按时完成作业，否则他会受到惩罚。

Nick__________

_____hishomeworkontime,orhe'llbepunished.10.白老师经常告诉我们过马路时应该小心。

MrBaioftentellsusthatwe___________

carefulwhenwecrosstheroad.ought

to

callshouldn'treadhadbetter

notmakehad

better

finishshould

beⅢ.改错。将正确的句子写在横线上。1.You'dbettervisitthemuseumbecauseoftheheavyrain.

____________________________________________________________________________________2.—OughttoIsweepthefloorrightnow,Mum?

—Yes,yououghtto.

______________________________________________________________________________________You'dbetternotvisitthemuseumbecauseoftheheavyrain.—OughtItosweepthefloorrightnow,Mum?—Yes,yououghtto.3.Toshowourrespectforothers,wehavebetterlistentothemfirst.

_______________________________